本文選題：黃河口 + 調(diào)水調(diào)沙　； 參考：《中國水產(chǎn)科學(xué)》2017年05期

【摘要】：黃河口調(diào)水調(diào)沙是以人工調(diào)控的方式將淤積的泥沙送入大海,增加河床和水庫主槽行洪能力的過程。根據(jù)2011 2013年調(diào)水調(diào)沙前(6月)、后(7月)在黃河口海域的漁業(yè)資源調(diào)查數(shù)據(jù),利用相對優(yōu)勢度指數(shù)、方差分析以及多元統(tǒng)計分析等方法,研究了該海域夏季漁業(yè)資源密度、種類組成、優(yōu)勢種及其年際變化,并探討調(diào)水調(diào)沙對黃河口漁業(yè)資源結(jié)構(gòu)的影響。結(jié)果表明,本次調(diào)查共鑒定漁業(yè)資源生物92種,其中魚類52種;黃河口主要優(yōu)勢種為矛尾蝦虎魚(Chaemrichthys stigmatias)、槍烏賊(Loligo spp.)和葛氏長臂蝦(Palaemon gravieri)等,各年份優(yōu)勢種有所變動;夏季漁業(yè)資源量有明顯年際波動,在2011—2013年呈先增加后減少的趨勢,各年間差異顯著;黃河口漁業(yè)資源結(jié)構(gòu)在調(diào)水調(diào)沙前后有明顯變化,調(diào)水調(diào)沙后漁業(yè)資源平均密度增大,且近河口區(qū)資源密度較小;CLUSTER聚類分析表明黃河口漁業(yè)資源結(jié)構(gòu)年際變化最為明顯,其次是調(diào)水調(diào)沙前后的變化,而斷面間的差異性最低。結(jié)論認(rèn)為,黃河調(diào)水調(diào)沙引起的徑流量、營養(yǎng)鹽變化可能是引起調(diào)水調(diào)沙前后漁業(yè)資源種類組成、資源量變化的重要原因。
[Abstract]:Water and sediment transfer in the Yellow River Estuary is a process in which silting sediment is transported to the sea by artificial control to increase the flood discharge capacity of the riverbed and the main channel of the reservoir. Based on the survey data of fishery resources in the Yellow River Estuary area before (June) and later (July) in 2011 and 2013, the relative dominance index, variance analysis and multivariate statistical analysis were used to study the density of fishery resources in this area in summer. Species composition, dominant species and their interannual variation, and the effects of water and sediment transfer on fishery resources structure in the Yellow River Estuary were discussed. The results showed that there were 92 species of fishery resources, including 52 species of fish, and the dominant species in the Yellow River estuary were Chaemrichthys stigmatias), squid (Loligo spp.) And Palaemon gravieri, the dominant species changed in each year, and the fishery resources in summer fluctuated obviously, which increased first and then decreased in 2011-2013, and the difference was significant in each year. The structure of fishery resources in the Yellow River Estuary changed obviously before and after the water and sediment transfer, and the average density of fishery resources increased after the water and sediment transfer, and the cluster analysis of CLUSTER showed that the interannual variation of fishery resources structure in the Yellow River Estuary was the most obvious. The second is the change before and after water transfer and sediment regulation, while the difference between sections is the lowest. It is concluded that the variation of runoff and nutrient salt caused by water and sediment transfer in the Yellow River may be an important reason for the change of fishery resources before and after water and sediment transfer.
【作者單位】： 中國海洋大學(xué)水產(chǎn)學(xué)院;山東省海洋資源與環(huán)境研究院;
【基金】：公益性行業(yè)(農(nóng)業(yè))科研專項經(jīng)費項目(201303050) 青島海洋科學(xué)與技術(shù)國家實驗室鰲山科技創(chuàng)新計劃項目(2015ASKJ02)
【分類號】：S931.1

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